<template>
  <div>
      ziziizizizizi
      <button @click="fun()">点我逆向传值</button>
  </div>
</template>

<script>
export default {
    methods:{
        fun(){
            this.$emit("hua",this.zitext)
        }
    },
    data(){
        return{
            zitext:"我是子的内容"
        }
    }
}
</script>

<style>

</style>